package com.fz.security.handler;

import com.fz.common.ResponseEntity;
import com.fz.common.ResultCode;
import com.fz.utils.JacksonUtils;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 *  匿名用户访问资源时产生的异常
 */
@Component
public class JwtAuthenticationEntryPoint implements AuthenticationEntryPoint {

    @Override
    public void commence(HttpServletRequest request,
                         HttpServletResponse response,
                         AuthenticationException authException) throws IOException {
        // 当用户尝试访问安全的REST资源而不提供任何凭据时，将调用此方法发送401 响应
        response.setCharacterEncoding("UTF-8");
        response.setContentType("text/html;charset=utf-8");
        String result= JacksonUtils.obj2String(ResponseEntity.build(ResultCode.NOT_LOGGED_IN));
        response.getWriter().print(result);
    }
}

